When scientists talk about the cryosphere, they mean the places on Earth where water is in its solid form, frozen into ice or snow. Read more ...

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We land at Swiss Camp and line up all our cargo: can you believe that all fit in the plane?? The yellow boxes are filled with food. The silver boxes are filled with instruments, tools, and wires. The bags are our personal gear.
Photo by John Maurer, CIRES/NSIDC, University of Colorado.